The City of Sioux Falls maintains its own building inspection and permitting jurisdiction, which covers the majority of the county's urbanized area. Minnehaha County Planning & Zoning retains jurisdiction over unincorporated areas and smaller municipalities that have not established independent building departments. Development in unincorporated areas is subject to specific floodplain management ordinances and rural zoning density requirements.
The county enforces a specific floodplain management ordinance that requires additional development permits for any construction located within designated Special Flood Hazard Areas.
How this fits with the state
The state authority here is South Dakota state trade boards; local building departments. The county file does not replace that — it adds the permit office, local overlays, and the actual filing path.
Source · Minnehaha County Planning & Zoning DepartmentLast verified · 05 / 2026